Sysyphus
Talk Tennis Guru
Yeah it to me that the first part of the racket acceleration doesn't utilize the shoulder very well. It seems mostly a bit of racket drop due to the elbow bending.
I wonder if he maybe just has a really stiff shoulder.
Interesting, not sure I'm understanding what you mean. Are you referring to his racquet drop?
Some have also pointed out that his pronation isn't very good through contact:
@Sysyphus
For me the biggest thing is that he drops his shoulders and upper arm aren't in a straight line. So you miss a lot of racket drop there already
Heh, yeah I see we found the same video.